$4,675,000
SOLD MAY 5, 2026

20580 Palmer Ave Sonoma, CA 95476

4 Beds
3 Baths
3,160 Sq Ft
3.02 Acres Lot

Sale Details

Date Sold: May 5, 2026

$1,479 Per Sq Ft

17 Days on Market

Highlights

  • Heated In Ground Pool
  • 3.02 Acre Lot
  • Private Lot
  • Built-In Freezer
  • Contemporary Architecture
  • Wood Flooring

About This Home

As of May 2026

Tucked behind a new custom entry gate at the end of a charming country road, this ~3,160 sq. ft. modern Wine Country retreat offers seamless indoor-outdoor living on 3.02 oak-studded acres, with approved plans for a ~1,200 sq. ft. 2BD ADU. The 4BD/3BA home features newly installed white-oak floors and Fleetwood sliders that open to a dramatic screened sunroom for al fresco entertaining, complete with dining and lounge areas, skylights, speakers, and a heater. The chef's kitchen centers around a striking concrete island with marble slab backsplash, custom cabinetry, premium appliances, and a separate scullery with wine storage and extra refrigeration. Resort-style grounds include a 13'60' pool with new automatic cover, fire pit, fruit trees, and level space for tennis or pickleball courts. The primary suite enjoys a private hot tub. A 3-car garage offers epoxy floors, gym flooring, and new translucent doors. Additional updates include a new roof, gutters, drainage, Sonos, security with cameras, HVAC, pool heater, and landscaping with 15 olive trees. Ideally located minutes to Sonoma Plaza, The Lodge at Sonoma, Wit & Wisdom, Train Town, wineries, restaurants, trails, and other vacation amenities.

Last Agent to Sell the Property

Caroline Sebastiani

Sotheby's International Realty License #01371992 Listed on: 04/13/2026

Sotheby's International Realty

Co-Listed By

Charlie Luna

Sotheby's International Realty License #02247959

Last Buyer's Agent

Matt Sevenau

Compass License #01890164

Compass

Home Details

Home Type

  • Single Family

Year Built

  • Built in 2000 | Remodeled

Lot Details

  • 3.02 Acre Lot
  • Property is Fully Fenced
  • Private Lot

Parking

  • 3 Car Attached Garage
  • Enclosed Parking
  • Garage Door Opener

Home Design

  • Contemporary Architecture
  • Modern Architecture
  • Side-by-Side
  • Composition Roof
  • Fiberglass Roof

Interior Spaces

  • 1-Story Property
  • Wet Bar
  • Fireplace With Gas Starter
  • Dining Room with Fireplace
  • Wood Flooring

Kitchen

  • Double Oven
  • Built-In Gas Range
  • Microwave
  • Built-In Freezer
  • Built-In Refrigerator
  • Ice Maker
  • Dishwasher
  • Wine Refrigerator
  • Disposal

Bedrooms and Bathrooms

  • 4 Bedrooms
  • 3 Full Bathrooms

Laundry

  • Laundry closet
  • Dryer
  • Washer

Home Security

  • Security System Leased
  • Security Gate
  • Fire and Smoke Detector

Pool

  • Heated In Ground Pool
  • Spa
  • Gas Heated Pool
  • Pool Cover
  • Pool Sweep

Outdoor Features

  • Fire Pit
  • Shed
  • Rear Porch

Utilities

  • Central Heating
  • Radiant Heating System
  • 220 Volts in Kitchen
  • Private Water Source
  • Well
  • Internet Available
  • Cable TV Available

Home Details

Home Type

Single Family

Year Built

Built in 2000 | Remodeled

Lot Details

3.02 Acres

Parking

3

Listing Details

  • Interior Amenities: Wet Bar
  • Type: Residential
  • Lot Size Acres: 3.02
  • Stories: 1
  • Levels: One
  • ArchitecturalStyle: Contemporary, Modern/High Tech
  • Reso Window Features: Weather Stripped, Screens
  • Property Sub Type: Single Family Residence
  • Co List Office Mls Id: AALLN25
  • Co List Office Mls Id: ASOTH02
  • Directions: Palmer Ave x Leveroni Rd
  • Power Production Type: None
  • Special Features: None

Interior Features

  • Appliances: Built-In Freezer, Built-In Gas Range, Built-In Refrigerator, Dishwasher, Disposal, Double Oven, Range Hood, Ice Maker, Microwave, Wine Refrigerator
  • Basement: None
  • Flooring: Wood
  • Fireplace Features: Dining Room, Gas Starter
  • Spa Features: Spa/Hot Tub Built-In
  • Full Bathrooms: 3
  • Total Bedrooms: 4
  • Fireplaces: 1

Exterior Features

  • Lot Features: Private, Shape Regular
  • Property Condition: Updated/Remodeled
  • Roof: Composition, Fiberglass
  • ExteriorFeatures: Fire Pit, Outdoor Kitchen
  • Fencing: Fenced, Full
  • OtherStructures: Shed(s)
  • Patio And Porch Features: Back Porch
  • Pool Features: Built-In, Gas Heat, Pool Cover, Pool Sweep
  • Foundation Details: Concrete Perimeter

Garage/Parking

  • Parking Features: Attached, Enclosed, Garage Door Opener, Garage Faces Front, Guest, Inside Entrance, Private, Side-by-Side
  • Garage Spaces: 3

Utilities

  • Cooling: Central Air
  • Electric: 220 Volts in Kitchen
  • Security Features: Carbon Monoxide Detector(s), Double Strapped Water Heater, Fire Alarm, Security Gate, Security System Leased, Video System
  • Sewer: Public Sewer
  • Utilities: Cable Available, Cable Connected, Internet Available, Natural Gas Available, Natural Gas Connected, Public
  • Water Source: Private, Well
  • Heating: Central, Fireplace(s), Radiant
  • Laundry Features: Dryer Included, Laundry Closet, Washer Included

Lot Info

  • Lot Size Sq Ft: 131551
  • Land Lease: No

Building Info

  • Year Built: 2000

Multi Family

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Apr 13, 2026
Closed on
May 1, 2026
Sold by
Bought by
Seller's Agent
Caroline Sebastiani
Sotheby's International Realty
Buyer's Agent
Matt Sevenau
Compass
List Price
$4,675,000
Sold Price
$4,675,000
Views
44

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-94.15%

Purchase Details

Listed on
Jan 16, 2023
Closed on
Feb 16, 2023
Sold by
Bought by
Seller's Agent
Tracy Reynes
Compass
List Price
$3,795,000
Sold Price
$3,538,750
Premium/Discount to List
-$256,250
-6.75%
Views
28

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
9.09%

Purchase Details

Listed on
Sep 21, 2021
Closed on
Oct 29, 2021
Sold by
Bought by
Seller's Agent
Erin Davis
Compass
Buyer's Agent
Tracy Reynes
Compass
List Price
$3,200,000
Sold Price
$3,200,000

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
8.05%

Purchase Details

Closed on
Feb 10, 2014
Sold by
Bought by

Purchase Details

Closed on
Dec 27, 2007
Sold by
Bought by

Purchase Details

Closed on
Jun 29, 2007
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,220,000
Interest Rate
6.37%
Mortgage Type
Unknown

Purchase Details

Closed on
Nov 23, 1998
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$195,000
Interest Rate
6.84%
Mortgage Type
Seller Take Back
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Grant Deed $4,675,000 Fidelity National Title Compan
Grant Deed $3,539,000 First American Title
Grant Deed $3,200,000 First American Title Company
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Interfamily Deed Transfer -- None Available
Grant Deed $1,525,000 First American Title Company
Grant Deed $325,000 Fidelity National Title Co
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Previous Owner $1,220,000 Unknown
Previous Owner $195,000 Seller Take Back
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
05/05/2026 05/05/26 Sold $4,675,000 0.0% $1,479 / Sq Ft
04/30/2026 04/30/26 Pending -- -- --
04/13/2026 04/13/26 For Sale $4,675,000 +32.1% $1,479 / Sq Ft
02/22/2023 02/22/23 Sold $3,538,750 -6.8% $1,041 / Sq Ft View Prior Sale
02/15/2023 02/15/23 Pending -- -- --
01/16/2023 01/16/23 For Sale $3,795,000 +18.6% $1,116 / Sq Ft
11/05/2021 11/05/21 Sold $3,200,000 0.0% $941 / Sq Ft View Prior Sale
10/20/2021 10/20/21 Pending -- -- --
09/21/2021 09/21/21 For Sale $3,200,000 -- $941 / Sq Ft
Source: Bay Area Real Estate Information Services (BAREIS)

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $43,355 $3,681,715 $1,664,640 $2,017,075
2024 $42,526 $3,609,525 $1,632,000 $1,977,525
2023 $42,526 $3,264,000 $1,479,000 $1,785,000
2022 $37,998 $3,200,000 $1,450,000 $1,750,000
2021 $23,878 $1,965,960 $873,706 $1,092,254
2020 $23,832 $1,945,803 $864,748 $1,081,055
2019 $23,314 $1,907,651 $847,793 $1,059,858
2018 $22,857 $1,870,247 $831,170 $1,039,077
2017 $23,236 $1,833,576 $814,873 $1,018,703
2016 $21,308 $1,797,625 $798,896 $998,729
2015 $18,389 $1,568,000 $697,000 $871,000
2014 $14,348 $1,200,000 $533,000 $667,000
Source: Public Records

Agents Affiliated with this Home

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Map

Source: Bay Area Real Estate Information Services (BAREIS)

MLS Number: 326021230

Bay Area Real Estate Information Services (BAREIS)

APN: 128-311-078

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